<div dir="auto">They are UNF on my BN1 built 11 Jan. '55. If they ever were BSF, it was very early in BN1 production. </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, May 9, 2020, 16:54 Perry via Healeys <<a href="mailto:healeys@autox.team.net">healeys@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="#954F72"><div class="m_8389926694834509769WordSection1"><p class="MsoNormal">Michael</p><p class="MsoNormal">There was a slow switch from BSF to UNF fasteners used and threads on some parts starting about mid 1954 through the end of 1955 at several locations on the 100. However I can not speak to the engine mount to chassis fasteners. </p><p class="MsoNormal">Its one of those areas of the car that if I ended up with damage to the welded nut threads that could not be cleaned up with a tap I would do what was necessary to secure the engine mount short of replacing the welded nut. </p><p class="MsoNormal">Perry</p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986" target="_blank" rel="noreferrer">Mail</a> for Windows 10</p><p class="MsoNormal"><u></u> <u></u></p><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal" style="border:none;padding:0in"><b>From: </b><a href="mailto:rrengineer.mike@att.net" target="_blank" rel="noreferrer">Michael MacLean</a><br><b>Sent: </b>Saturday, May 9, 2020 5:14 PM<br><b>To: </b><a href="mailto:healeys@autox.team.net" target="_blank" rel="noreferrer">Healeys</a><br><b>Subject: </b>[Healeys] Motor Mout Bolts</p></div><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Are the bolts that fasten the motor mounts to the frame different threads between the BN1 and the BN2?<u></u><u></u></p><div id="m_8389926694834509769yMail_cursorElementTracker_1589058832618"><p class="MsoNormal" style="margin-bottom:12.0pt">Mike MacLean<u></u><u></u></p></div><p class="MsoNormal"><a href="https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature" target="_blank" rel="noreferrer">Sent from AT&T Yahoo Mail on Android</a></p><p class="MsoNormal"><u></u> <u></u></p></div></div>_______________________________________________<br>
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